Gas cooker



FIG. 1 is a front, top, right-side perspective view of the gas cooker;

FIG. 2 is a rear, top, left-side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left-side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines depict parts of the gas cooker that form no part of theclaimed design.

CLAIM The ornamental design for a gas cooker, as shown and described.